Wheel suspension for vehicles or the like



July 13, 1937. I B, ARTlN 2,086,721

WHEEL SUSPENSION FOR VEHICLES OR THE LIKE Filed May 31, 1955 50/9 GE Me 7'//V5. @M/

A Horneya.

Patented July 13, 1937 UNITE Application May 2 Claims.

The present invention relates to wheel suspensions, especially for vehicles, and more particularly to an improved wheel suspension, which is useful in combination with vehicles intended to be driven with varying loads.

The invention has for its object to provide a practically useful wheel suspension making it possible, without the use of relatively large springs, to attain a soft and well balanced driving, when the vehicle is carrying a large load as well as when it is empty.

For this purpose the wheel axle is suspended, in known manner, in one or more swinging arms actuated partly by the wheel load and partly by a spring load, which compensates thewheel load, the said arm or arms resting against a firm or yielding support with a curved contacting sur face. are swinging under the influence of the wheel-load, the ratio of the spring load moment to the wheel-load moment will be altered as the arm is rolling on the support, in such a manner that the advantage can be attained that the spring acts only with a small moment when the load is small, but with a large moment, when the load is large.

Known devices of this kind drawback that besides the mutual rotation of the lever relatively a sliding motion between the said members maytake place, which may cause an undesirable play or, under especially unfortunate circumstances, may cause the lever to be torn entirely free of the support, if the wheel be exposed to an uncommonly violent blow.

The present invention has for its object to improve the said wheel suspensions by the provision of means to prevent the occurrence of any suffer from the such sliding of the parts on one another, or of any of the same.

According to the invention, this result is attained in that the lever and the support have mutually engaging projections and recesses adapted to prevent the lever from sliding relatively to the support.

An especially simple way is to form the support and the lever as profiled members fitting into one another. Hereby, however, merely a sliding transversely to the plane of swinging of the device will be prevented and it will therefore generally be necessary further to use other means preventing a sliding in the longitudinal direction of the profiled members.

For this purpose the fitted with a projection engaging a corresponding recess in the other part, or flexible steel bands pulling apart Barge Martins, Copenhagen,

31, 1935, Serial In Denmark January 2, 1935- lever or the support may be Denmark 7 or the like may be in sucha manner th used for connecting the parts at the desired rotary motion 1) STATES'PATENT orrics 2,086,721 WHEEL SUSPENSION FQR VEHICLES OB- .IHE LI can freely be performed. Finally both parts may be fitted with mutually engaging teeth allowing to be performed freely.

The drawing illustrates by way of example a the rotary motion few constructions of Fig. 1 shows a wheel suspension,

vation,

Fig. 2 a cross-section of the lever and the support,

Fig. 3 another construction,

the invention.

in side elein side elevation,

Fig. 4 a corresponding cross-section,

Figs. 5 and 6 two elevation.

In the construction shown in Fig.

suspended, in swinging the vehic ing frame l of hangers 2 on t Q, which are maintained pressed agai other by a spring roll on one another on a curved a manner that the known manner automatically will as the load on the at the same time increased. On

wheel axle the support l are respectively,

a manner that any port transversely to the plane As shown by dott be fitted with a be prevented.

the lever 3 may further 5, and which are sliding of the lever B, for instance in the shape of a pin recess it) in be prevented.

the lever the support i, and longitudinal sliding of the profile In the construction sh 3 and the supp part of the supporting frame for also shaped as profiled members.

the

prevent a sliding in the longitudinal the profiles,

one another further constructions in side 1, there are he supportle, a lever 3 and a support nst one anadapted to surface, in such lever arm of the spring in be increased,

lever 3 is g 5 for the the lever 3 and profiled members fitctions I and 8,

in such on the supof oscillationwill ed lines in Fig. 1,

projection engaging a thereby also a d members will own in Figs. 3 and 4, ort 4 which may be a vehicle are In order to direction of the lever and the support are interconnected by means of long flexible connecting members H and. l nected to the other ends of the connected to 3 are used co-oper lever or the of the point of contact of the the other part on the point of contact. It is espe use thin steel bands for this In the construction shown in 2, one

end of which is consupport on one side same, Whereas the said connecting members are purpo ating with a supp the other side of cially suitable to Fig. 5, two levers ort 4 fitted with projections 8 embracing the levers to prevent any lateral movements.

In the construction shown in Fig. 6, the levers 3 are suspended on the rear i5 of the ve- 3 soas are used.

The manner in which the springs are caused to act on the levers is only shown on the drawing by Way of illustration, but not by way of limitation.

may be substituted for already existing wheel suspensions on vehicles. This is especially feasible because the suspension on the underframe can be effected by means of the already pensating the same and contacting a support said lever system and said support being interconnected by means of spect to said track whereby to urge said parts toward one limit of their movable positions, and means for preventing sliding of said rocker lon- BQiRGE MARTIN S. 

